The purpose of the study was to examine the ecologies of two teachers and the extent that each teacher's agenda aligned with instructional activities and assessments for each unit of instruction. Data were collected in four ways: (1) videotaped record of each lesson, (2) live observation field notes and expanded field notes from the videotape, (3)…

The authors examine the various communities of practice that were formed throughout a teacher development project that included a formal mentoring component. The authors describe a theoretical approach to understanding learning in communities of practice and present an approach for analyzing professional learning resulting from social interactions…